Rudiments of mineralogy by Mary Anne VenningRudiments of mineralogy by Mary Anne Venning

Rudiments of mineralogy

byMary Anne Venning

Paperback | February 4, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1830. Excerpt: ... MINERALOGICAL TERMS. Acicular, composed of long, slender, straight crystals. Amorphorous, without regular form. Arborescent or dendritic, branched like a tree or shrub. Base, the substance to which an acid is united. Botryoidal, like a bunch of grapes; in globular forms, such as are found in chalcedony, wavellite, &c. Brittle, when the particles fly off in cutting: a mineral will break off", when it will not yield to the point of a steel knife forcibly drawn over it. Capillary, hair-like. Cellular, having cells or pores. Compact, when no distinct parts are to be seen. Conchmdal, shell-like; when the convex or concave impression of shells appears on the surface. Cube, a solid figure of six equal sides. Decrepitates, when the mineral breaks or splits into fragments; the water in the crystal is changed into vapour, or the air in the interstices explodes. Drused, covered with minute crystals. Deliquesce, to melt, by imbibing moisture from the atmosphere, like salt of tartar, or pearl-ashes. Double refraction, when a mineral presents two images of an object seen through the crystal. Dodecahedron, a figure with twelve sides. X MINERALOGICAL TERMS. Effervesce, to foam or froth up. Elastic, when a substance, on being bent, returns to its original form, like mica. Emledded, when the mineral is found in another substance. Foliated, in layers, like the leaves of a book. Fracture, is the new surface that a mineral shows after it has been broken. Friable, when the particles adhere slightly. Fluate, is any mineral in which the fluoric acid is united with a base, as with lime. Glance, shining. Granulated, when a mineral is formed of a collection of small visible particles. Hexahedral, with six sides. Intumesce, to swell or bubble up. Incombustible, not to be destroyed b...
Title:Rudiments of mineralogyFormat:PaperbackDimensions:36 pages, 9.69 × 7.44 × 0.07 inPublished:February 4, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217546544

ISBN - 13:9780217546546

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